related to the conversion from one [file-] format to another

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22
votes
8answers
31k views

How to convert a m4a sound file to mp3?

I tried with: $ ffmpeg -i music.m4a music.mp3 but I got a zero bytes file. The output was: FFmpeg version 0.6-4:0.6-2ubuntu6.2, Copyright (c) 2000-2010 the FFmpeg developers built on Sep 16 2011 ...
19
votes
7answers
16k views

bulk/batch convert mp3 files to ogg via command line?

is it possible to convert mp3 to ogg via command line? I'd like to just in a bulk swoop convert my mp3 files to ogg so i can play them in firefox without any issues.
17
votes
5answers
12k views

Converting DJVU to PDF

I want to convert a DJVU document into a PDF document, separating and preserving the text layer and the images while also keeping the structure from the DJVU. How can I do this in Ubuntu? (I will ...
13
votes
3answers
25k views

Convert filesystem NTFS -> EXT4?

I have 2 TB of data on an NTFS drive which I would like to convert to EXT4 filesystem. My OS runs on a (comparatively) small 60GB SSD. Is there any way to convert the filesystem, apart from backing ...
13
votes
4answers
14k views

How can I convert a .m2ts to .mkv?

Does anyone know of an application that allows me to convert an m2ts file to mkv or some other format? Preferably something that allows me to convert it directly, rather than convert the whole Blu-ray ...
13
votes
4answers
11k views

Convert PDF to image

I'm trying to convert a PDF file (it's a book) into an image. When I using convert like this convert book.pdf book.jpg or like this convert book.pdf book.png then I get this warning Warning: ...
11
votes
2answers
9k views

How to convert wav to ogg and mp3 using VBR

How to convert wav to ogg and to mp3 with VBR and excellent end quality? If possible, using soundconverter or ffmpeg. Incidentally, I tried to see whether soundconverter uses VBR and there is ...
11
votes
2answers
2k views

ImageMagick convert can't convert to webp

On Ubuntu 12.04 ImageMagick doesn't seem to support webp. convert flyer.png flyer.webp creates an png file with webp extension. On https://developers.google.com/speed/webp/docs/using is stated that ...
10
votes
2answers
7k views

How can I convert .epub files to plain text?

I'm able to view an epub file in, say, okular, select all the text and copy-paste into a text editor. I'd like a command line method - anyone know of such a thing?
9
votes
3answers
6k views

Convert lossless m4a to flac

I tried to convert a file with pacpl, but I get the well-known "256" error. With the -v flag, the FAQ of pacpl tells me: "The file you are trying to convert is a lossless .m4a file. The format ...
8
votes
4answers
7k views

How to convert a .pdf file into a folder of images?

I have some .pdf files that I would like to convert to my preferred reading format of .cbr or .cbz or, if this isn't directly possible, I need to extract all pages from the .pdf as images and then ...
8
votes
6answers
2k views

How do I convert wma files to ogg?

I have installed "Sound Converter" but I keep getting an error when I try to use it. It first tells me that I need a plugin that is not installed (so I have it search) then it reports "Failed to ...
7
votes
1answer
6k views

Convert mp3 to ogg?

I want to convert my entire music library to ogg format from mp3. while keeping the folder/file format I have under music and keep the tags that are on them.
7
votes
3answers
39k views

How to convert image to CMYK in GIMP?

I am supposed to send some artwork to the printers tomorrow and their guidelines requires it to be CMYK. I have installed the plugin Separate+ from the 'gimp-plugin-registy' package. I have also ...
7
votes
2answers
4k views

How to exchange/remove/overwrite a PDF's background?

as the title says I want to change background of a PDF. This are some slides, and to save toner I thought it would be good to change the background to white. I tried pdftk with its operations: ...
6
votes
4answers
5k views

How to convert all pdf files to text (within a folder) with one command?

I know that I can convert pdf files to text files one by one like this : $ pdftotext filename.pdf But is there a single command that would make that conversion without specifying separate file ...
6
votes
2answers
6k views

How can I convert my FLAC music collection to Apple Lossless?

I have a reasonable sized music collection that I keep in FLAC format on my Ubuntu laptop. I'd like to start playing this music on my Mac, and to sync it from there to my iPod. People have suggested ...
5
votes
3answers
39k views

How can I convert IDX/SUB DVD subtitles into a text SRT subtitle file?

I have a pair of .idx/.sub subtitle files with multiple languages and I need to convert them to single-language .srt files because neither Totem nor Gnome Mplayer can show that type of subtitles.
5
votes
3answers
18k views

How can I convert a 1080p wmv video to a 720p video?

I have a 1080p wmv video that I'd like to convert to a lower quality (preferably 720p) video. I would like to keep the audio intact. How can I accomplish this in Ubuntu?
5
votes
5answers
10k views

How can I convert .mp4 files to .3gp using ffmpeg?

I would like to download a few videos from youtube and convert them to 3gp so that I can play them on my phone. I would like to know how this can be done using ffmpeg. I tried the various results on ...
4
votes
4answers
5k views

How to convert .aif audio files to mp3?

I have audio files with .aif extensions (AIFF/Amiga/Mac audio). How to play them and, more important: how to convert them to mp3 or other more common audio format? update: trying to run a command ...
4
votes
1answer
758 views

How can I batch convert images to b/w while preserving the folder structure

I want to batch process images but I have a very specific task that I want to do I do not want to change image type I want to make them black and white I want it to create/preserve images and sub ...
4
votes
1answer
2k views

convert several png to one pdf

I have 280 pgn files that I want to merge and convert into one pdf. PNG files names are in the sequence p000.png, p001.png etc and total space is about 30mb. I did: convert p00*.png to myfile.pdf ...
4
votes
2answers
2k views

How to convert WMA lossless to FLAC?

I have some CDs that I want to convert to FLAC. Banshee can't find their metadata, but Windows Media Player can. I figured there are two workarounds: Rip all CDs using Windows Media Player ...
4
votes
1answer
641 views

How to stop Banshee from converting my music to mp3?

When I am synchronizing my music with Banshee, it stars converting my music into mp3. How can I stop Banshee to convert my music and make it just copying it? My player can play nearly every ...
3
votes
2answers
1k views

How can I convert an AVI file to a Blackberry-compatible format?

I need a program to convert an AVI file to a format compatible with my Blackberry. On Windows, I've tried format factory and converted the .avi file to .3gp, but the output is of very bad quality.
3
votes
2answers
4k views

Can I convert Ubuntu into another form of Ubuntu?

Can I convert Ubuntu into another form of Ubuntu like Kubuntu or Ubuntu Studio and the system recognize itself as the new form?
3
votes
2answers
2k views

Is there a way to batch export SVGs to PNGs?

I have these SVGS and I'd like to export them to PNG images, I could export them with Inkscape but that would mean open each file and export that file to PNG which is not efficient (I have hundreds of ...
3
votes
2answers
2k views

How do I combine Multiple TIF files into a Single TIF file?

I have a series of TIF files and would like to convert them into a Single TIF file How do I do that?
3
votes
3answers
1k views

How to convert `rm` and `ra` audio files to mp3 in (L)ubuntu?

I have radio programs that I have obtained with the extension rm and ra. How to convert them to mp3 or other more common type?
3
votes
2answers
2k views

Is there a GUI to convert/extract images to/from pdf?

I mean something like a graphical interface / front end for Imagemagick or a simpler application that would allow converting/extracting images through the interface (not in the Terminal).
3
votes
2answers
932 views

avconv on multiple threads

Is it possible to run jobs on multiple processor or threads to speed up avconv? Is there a feature in progress, if not I wonder why?
3
votes
3answers
6k views

converting images to pdf without quality loss

I am converting images to PDFs. I use following command convert page.jpg page.pdf and then combine multiple PDFs generated accordingly by command pdftk 1.pdf 2.pdf output result.pdf but I ...
3
votes
1answer
1k views

How to convert audio files in Deadbeef player?

I t looks like Deadbeef player should convert between different audio formats just by right-clicking and selecting "Convert" But after that and a few seconds of delay as if working nothing ...
3
votes
2answers
1k views

How to convert flv file(s) to mp3 from PCManFM's (Open with) context menu?

Opening a terminal in a folder that contains a flv file called "one" (one.flv) and running this command: ffmpeg -i one.flv one.mp3 the flv file is converted to mp3 with the same name and in the same ...
3
votes
1answer
229 views

Is there a DocBook reader for following in-progress documents?

I have docbook2pdf installed, but it seems a bit wasteful to always need to delete and re-create the .PDF file when the source changes. Is there a good program for styling and viewing them natively?
2
votes
4answers
553 views

what is the best video converter software to be played in iPhone & iPod?

what is the best video converter software to be played in iPhone & iPod? how to convert video to be played in iPhone & iPod?
2
votes
2answers
500 views

How to convert markdown to rich text (rtf) in Ubuntu 13.04?

I want to convert text written in Markdown to Rich Text on Ubuntu 13.04. I could not find any solution on the web, except for one Mac OS X script. How can I do that on Ubuntu 13.04? Preferably in the ...
2
votes
2answers
786 views

How to convert AC3 to Flac and apply a delay?

I have a MKV video file. The audio track is ac3. I extracted the AC3 and now want to convert it to Flac. But I need to add a delay/offset of 150ms. The offset should be permanent; the actual duration ...
2
votes
2answers
772 views

How to convert multiple files to mp3 in Thunar custom actions?

I have added a simple command avconv -i %f %f.mp3 to Thunar's custom actions to convert a selected media file to mp3 (in the same folder and with the same name). What would be the command that can ...
2
votes
6answers
5k views

WinFF (FFMPEG): Unknown encoder 'libvo_aacenc'

When I try to convert a video - specifically, a Video Object (".vob") file - to MPEG-4, WinFF which I assume is a frontend for ffmpeg and avconv, but it tells me: `Unknown encoder 'libvo_aacenc'` ...
2
votes
1answer
2k views

What (input) types of files can avconv convert and to what (output) files?

I like to use simple commands (in Thunar custom actions), like avconv -i %f %f.mp3. I can replace mp3 with flac for example - but what other output extensions can be used? Also, in Thunar custom ...
2
votes
2answers
294 views

How to convert multiple files to png (instead of one) in Thunar custom actions?

I have added convert %f %f.png to Thunar's custom actions to convert a selected image to png. What would be the command that can be added in the same way that would allow selecting multiple files or ...
2
votes
1answer
3k views

Mix down 5.1 AC3 to Stereo WAV?

I wonder if I can mix down a 5.1 AC3 file to Stereo WAV file, i.e. 6-channel > 2-channel. I'd like to know how to do this with via terminal with ffmpeg (or avconv, because it says ffmpeg is ...
2
votes
1answer
2k views

How to convert from from ubuntu desktop 11.04 to ubuntu server 11.04

How to convert from from ubuntu desktop 11.04 to ubuntu server 11.04 What does the below command do? sudo apt-get install linux-headers-server linux-image-server linux-server
2
votes
1answer
433 views

Modify Multiple Images From Console

I know convert changes from a image format to another. mogrify can resize and scale multiple images also. But HOW can i modify all images inside a directory, including the sub-directories. Like for ...
2
votes
2answers
3k views

Converting images into video

I found a method on internet to use avconv to make a video from images, but the quality is very poor. I set the resolution but it didn't help. avconv -i "franc%04d.jpg" -r 30 -s:v 1280x720 a.mkv ...
2
votes
4answers
45k views

Convert mkv to mp4 with ffmpeg

When I try converting mkv to mp4 using ffmpeg, the following error occurs: version 0.8.3-4:0.8.3-0ubuntu0.12.04.1, Copyright (c) 2000-2012 the Libav developers built on Jun 12 2012 16:52:09 with ...
2
votes
1answer
2k views

Convert CAF to MP3 or WAV?

I have a CAF server on my Ubuntu 9.10 server and I need to convert them to MP3 or WAV. I have already tried with pacpl and ffmpeg, but it didn't work (I don't have the right encodings in Ubuntu). ...
2
votes
0answers
150 views

avconv/ffmpeg - audio slowly drifts out of sync, original is in sync

Almost all of the instructions I've read about drifting audio sync is regarding live screen recording. I'm simply trying to truncate useless video from the end of a raw DV file in an effort to prepare ...